EEGR 417 – Microprocessors Applications Project 1 Complete Solution

Question: #8762

EEGR 417 – Microprocessors Applications
Project 1

Question 1
1.   Compute 0x78 ^ 0x54 and only submit your answer in hexadecimal (starts with 0x..)

Question 2
1.   Consider tempo = tempo | 0x10;
Which of tempo bit may be affected?

A.   bit 0

B.   bit 7

C.   bit 1

D.   bit 4
Question 3
1.   Match these C data types for embedded systems and their signed ranges

char

short int

int

long int

   Answer
A.   -2^31 to +(2^31) - 1
B.   -2^31 to +(2^31) - 1
C.   -32,768 to +32,767
D.   -128 to +127

Question 4
1.   How to set the first 8 bits in variable tempo?

A.   tempo | 0xFF

B.   tempo & 0xFF

C.   tempo | 0x11

D.   tempo & 0x11
Question 5
1.   Match these C data types for embedded systems and their ranges

long long

unsigned char

int

unsigned short int

   Answer
A.   -2^63 to +(2^63) - 1
B.   0 to +(2^16)-1
C.   0 to 255
D.   0 to +(2^32)-1

Question 6
1.   The header file stdint.h defined data types. What data type corresponds to the range: 0 to 4,294,967,295

A.   uint8_t

B.   int64_t

C.   int32_t

D.   uint32_t

Question 7
1.   0bxxxxxxx is binary.
In hexadecimal, what is the result of the operation: 0b10001000 >> 3;

A.   0x88

B.   0x11

C.   0xF1

D.   0x09
Question 8
1.   How to clear the first 8 bits in variable tempo?

A.   tempo | 0xF0

B.   tempo & 0x00

C.   tempo & 0x1F

D.   tempo | 0x00
Question 9
1.   Compute and display your answer in hexadecimal: 0x0F & 0x34

Question 10
1.   Inverting:
compute ~0xBB